Area Codes in Massachusetts
9 active area codes · United States · Eastern Time
Massachusetts has 9 active area codes in the North American Numbering Plan: 339, 351, 413, 508, 617, 774, 781, 857, 978. All area codes in Massachusetts observe Eastern Time.
9
Area Codes
1
Time Zone
8
Overlay Codes
339
Lynn
Overlay
Eastern
351
Lowell
Overlay
Eastern
413
Chicopee
Eastern
508
Boston
Overlay
Eastern
617
Boston
Overlay
Eastern
774
Worcester
Overlay
Eastern
781
Lynn
Overlay
Eastern
857
Boston
Overlay
Eastern
978
Lowell
Overlay
Eastern
About Massachusetts Area Codes
Massachusetts currently has 9 active area codes in the North American Numbering Plan: 339, 351, 413, 508, 617, 774, 781, 857, 978. These operate in the Eastern Time time zone.